Active solid-state devices (e.g. – transistors – solid-state diode – Integrated circuit structure with electrically isolated... – Passive components in ics
Patent
1995-09-05
1997-04-15
Crane, Sara W.
Active solid-state devices (e.g., transistors, solid-state diode
Integrated circuit structure with electrically isolated...
Passive components in ics
257537, 257379, 257904, H01L 2704
Patent
active
056212402
ABSTRACT:
A novel thick film resistor configuration and a method for fabricating thick film resistors, by which such resistors can be processed to achieve targeted electrical properties in an as-fired condition. The configuration and method of this invention involve creating a thick film resistor in the form of a series of short resistors whose combined resistance values approximately equal the predetermined resistance value required of the thick film resistor by its hybrid electronic circuit, yet with the use of minimal post-firing trimming. Such a configuration and method enable the production of thick film resistors from the same ink composition but with significantly different aspect ratios, yet which exhibit minimal differences between TCR values. Consequently, thick film resistors configured and fabricated in accordance with this invention are characterized by enhanced production throughput, repeatability, and reliability.
REFERENCES:
patent: 3593069 (1971-07-01), Madden
patent: 3665346 (1972-05-01), Orr
patent: 4215333 (1980-07-01), Huang
patent: 5500553 (1996-03-01), Ikegami
Wiedmann, S.K., "Monolithic Resistor Structure", IBM Technical Disclosure Bulletin, vol. 13, No. 5, Oct. 1970, p. 1316.
Crane Sara W.
Delco Electronics Corp.
Hardy David
Navarre Mark A.
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